INVENTORIES (Tables)

6 Months Ended

Jun. 30, 2021

INVENTORIES

Schedule of inventories

	June 30,		December 31,
(in thousands)	2021		2020
Raw materials and supplies	$	29,523	$	21,754
Work in process		14,351		11,378
Finished goods		13,235		9,178
Total inventories	$	57,109	$	42,310